MV-912: Vehicle Bill of Sale (PDF). English. Use this form to show proof of a vehicle ownership transfer through a private sale. Download.This is typically one of the first items you'll put on the bill of sale. An RV Bill of Sale is a legal document that serves as proof of the sale and transfer of ownership of a recreational vehicle (RV) from a seller to a buyer. Create a personalized RV Bill of Sale effortlessly. Secure your recreational vehicle transaction with our user-friendly tools and customizable templates. How to fill out the Recreational Vehicle Bill of Sale? This article is about the recreational vehicle bill of sale form. You will learn what the form is and how to fill it.